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Accounts Receivable, Net - Schedule of Components of Accounts Receivable (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Receivables [Abstract]    
Accounts receivable $ 45,041 $ 33,406
Allowance for doubtful accounts (1,448) (1,282)
Allowance for product returns (2,392) (2,314)
Accounts receivable, net $ 41,201 $ 29,810